Show:
Sumas
Restas
Multiplicar
Secuencia
100

8+7

15

100

12-4

8

100

dos grupos de dos

4

100

5, 10, 15, ____, 25, 30

20

200

200+300

500

200

300-100

200

200

3x4

12

200

10, 20. 30, 40, 50, __, 70, 

60

300

732+104

836

300

525-25

500

300

5x7

25

300

3, 6, __, 12, 15

9

400

644+773

1,417

400

413-212

201

400

10x2

20

400

4, 8, 12, ___, 20, 24

16

500

1,812+955

2,767

500

701-530

171

500

6x7

42

500

6, 12, 18, 24, ___, 36

30